J-KAREN laser upgrade and perspectives

Pirozhkov, A. S.; Kiriyama, Hiromitsu; Mori, Michiaki; Nishiuchi, Mamiko; Fukuda, Yuji; Kotaki, Hideyuki; Ogura, Koichi; Sagisaka, Akito; Sakaki, Hironao; Hayashi, Yukio; Kon, Akira; Kanasaki, Masato; Esirkepov, T. Z.; Koga, J. K.; Bulanov, S. V.; Bolton, P.; Kawachi, Tetsuya; Kando, Masaki; Kondo, Kiminori

J-KAREN is a state-of-the-art high-power laser with hybrid OPCPA / Ti:Sapphire, double CPA architecture. Due to high temporal and spatial beam quality, the on-target intensity exceeds $10^{21}$ W/cm with an focusing. The temporal contrast is high enough for shooting foils without plasma mirrors. These allowed us to demonstrate proton acceleration up to energies exceeding 40 MeV and Al ion acceleration up to 320 MeV (12 MeV/nucleon). We present the current laser performance, recent experimental achievements, and the upgrade plan to achieve the on-target peak power of 1 PW and repetition rate of 0.1 Hz.

Language	:	English
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Meeting title	:	International Symposium on Topical Problems of Nonlinear Wave Physics (NWP 2014)
Held date	:	2014/07
Location (city)	:	Nizhny Novgorod
Location (country)	:	Russia
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Keywords	:	no keyword
Research Facility	:	Tキューブレーザー施設
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Registration No. : BB20141665
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